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std::atomic_flag::test

From cppreference.com
< cpp‎ | atomic‎ | atomic flag
 
 
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bool test( std::memory_order order =
               std::memory_order_seq_cst ) const volatile noexcept;
(1) (since C++20)
bool test( std::memory_order order =
               std::memory_order_seq_cst ) const noexcept;
(2) (since C++20)

Atomically reads the value of the *this and returns the value.

If order is one of std::memory_order_release and std::memory_order_acq_rel, the behavior is undefined.

Contents

[edit] Parameters

order - the memory synchronization ordering

[edit] Return value

The value atomically read.

[edit] Example

[edit] See also

atomically returns the value of the flag
(function) [edit]